5 model

Free

Yubikey 5C Nano Keychain

Thingiverse

Free

YubiKey 5 NFC / 5C NFC case v2 – snap-fit keychain sleeve

Thingiverse

Free

Yubikey holder with lock

Thingiverse

Free

Yubico Yubikey Credit Card Carrier With Hole

Thingiverse

Free

Better version of Yubikey to Credit Card

Thingiverse